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Six consecutive cases of successful adult ABO-incompatible living donor liver transplantation: a proposal for grading the severity of antibody-mediated rejection.

Abstract：

BACKGROUND:The clinical symptoms, histological findings, and treatments for antibody-mediated rejection (AMR), which is the leading cause of graft loss in adult ABO-incompatible liver transplantation (ABO-I-LT), have rarely been discussed. METHODS:We performed adult living donor ABO-I-LT on six patients. We used anti-CD20 monoclonal antibody combined with plasma exchange preoperatively and intraportal or hepatic-arterial infusion, consisting of prostaglandin E1, corticosteroids, and protease inhibitor postoperatively to prevent AMR. Splenectomy was performed in patients 1, 4, 5 and 6 but not in patients 2 and 3. Weekly liver biopsies were performed after ABO-I-LT. When severe AMR was diagnosed, we performed plasma exchange combined with gamma-globulin bolus infusion (PE+IVIG). RESULTS:In patients 1-3, severe jaundice, rapid decreases in platelet counts, and severe coagulopathy were observed in the early postoperative period. Liver biopsies sampled after the onset of these clinical findings were characterized by severe periportal and lobular hemorrhagic and neutrophil infiltration, suggesting that severe AMR occurred. However, after the initiation of PE+IVIG, AMR was remedied in all three patients. In patients 4-6, severe AMR was not observed. Mild AMR characterized by mild portal hemorrhagic infiltration was observed in patient 4, and moderate AMR characterized by moderate periportal and lobular hemorrhagic infiltration was observed in patient 6. Patients 4-6 did not require PE+IVIG and their clinical course was uneventful. CONCLUSION:Given the experience of these six patients, we consider that AMR may be graded based on liver biopsy findings including hemorrhagic infiltration and neutrophil infiltration, as well as clinical findings. All six patients are currently doing well.

journal_name

Transplantation

journal_title

Transplantation

authors

Morioka D,Togo S,Kumamoto T,Takeda K,Matsuo K,Inayama Y,Yamanaka S,Tanaka K,Endo I,Maegawa J,Shimada H

doi

10.1097/TP.0b013e31815e9672

subject

Has Abstract

pub_date

2008-01-27 00:00:00

pages

171-8

issue

eissn

0041-1337

issn

1534-6080

pii

00007890-200801270-00003

journal_volume

pub_type

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Six consecutive cases of successful adult ABO-incompatible living donor liver transplantation: a proposal for grading the severity of antibody-mediated rejection.